On Mon, Aug 19, 2024 at 05:27:33PM +0800, Cindy Lu wrote: > Add a new UAPI to support setting the vhost device to > use kthread mode. The user space application needs to use > VHOST_SET_USE_KTHREAD to set the mode. This setting must > be set before VHOST_SET_OWNER is set. Usage of an API is a complete kernel internal detail that has absolutely no business being exposed to applications. What is the application visible behavior that the API use is the proxy for?